The study of quantum algorithms and quantum computation models that leverage the principles of quantum mechanics to perform certain calculations more efficiently than classical computers.
Exploration of quantum gates, quantum circuits, and quantum information processing.
Quantum Machine Learning:

Development and exploration of algorithms that harness the power of quantum computing to enhance machine learning tasks, such as optimization, pattern recognition, and data analysis.
Quantum Information Science:

Study of quantum information theory, which deals with the manipulation, transmission, and storage of information in quantum systems.
Quantum cryptography and secure communication using quantum key distribution.